The vineyards of the Champagne appellation rest on the cuestas of the eastern Paris Basin, geomorphological structures encompassing the Côte d'Ile-de-France, the Côte de Champagne, and the Côte des Bar.
The typical cuesta-facing slopes are exposed to the east and south, and sometimes to the north, as in the case of the northern Montagne de Reims and the left bank of the Marne valley.
The escarpment faces are composed of hard layers of limestone or chalk, while the hillside slopes are chalky, marly, or sandy and covered with colluvial deposits.
The Champagne appellation, situated in a northerly zone, is subject to a dual oceanic and continental climatic influence, the latter being responsible for occasionally damaging frosts and favourable sunshine levels in summer.
Facts drawn from the specification's terroir-link section by automatic interpretation — see the source.
About this boundary · approximate area
Approximate area — the union of the 616 commune(s) of the delimited area (INAO); no parcel delimitation exists for this denomination.
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